138638608

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{89329}}^1$

素因数の和:89434

約数の個数: 20

約数和(自身を含む): 271384540

約数和(自身を除く): 132745932

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 89329, 178658, 357316, 714632, 1429264, 8664913, 17329826, 34659652, 69319304, 138638608]

約数ペア:

[(1, 138638608), (2, 69319304), (4, 34659652), (8, 17329826), (16, 8664913), (97, 1429264), (194, 714632), (388, 357316), (776, 178658), (1552, 89329)]